These are the first to be affected by alcohol, decreasing one's attention, self-control and ability to judge.
Hearing and especially sight are affected by alcohol, leading to:
Hearing is also impaired when one is inebriated.
Alcohol impairs muscle control and coordination, causing the following behaviour:
Driving a car is a complex activity which requires the execution of several simultaneous tasks. The driver must be able to perceive, interpret and react to events, which proves difficult when faculties are impaired by alcohol!
Several symptoms appear when a person's abilities are weakened by alcohol. In fact, police officers watch for them when deciding whether to make an arrest. If you notice such symptoms in friends, try to convince them not to drive, and more importantly, do not get in the vehicle with them. If they still insist on driving, call 9-1-1!
Sources: SAAQ and the École nationale de police du Québec
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